Alright, let's work through 1871 times 4657 step by step
1871 × 4657 = 4657 × (1871)
+ 4657 × 1 that results in 4657
+ 4657 × 70 that equals 325990
+ 4657 × 800 yielding 3725600
+ 4657 × 1000 that equals 4657000

= 8713247
